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A flat uniform circular disk (radius = 2.00 meter, mass = 1.00x10^2 kilogram) is initially stationary. The disk is free to rotate in the horizontal plane about a frictionless axis perpendicular to the center of the disk. A 40.0 kilogram person, standing 1.25 meter from the axis, begins to run on the disk in a circular path and has a tangential speed of 2.00 m/s relative to the ground. Evaluate the resulting angular speed of the disk (in rad/s) and explain the direction of the rotation.
Water is moving at a velocity of 1.50 m/s through a hose with an internal diameter of 1.60 cm. What is the flow rate in liters per second
A Carnot air conditioner takes energy from the thermal energy of a room at 70 degrees F and transfers it as heat to the outdoors,which is at 96 degrees F. For each joule of electric energyrequired to operate the air conditioner, how many joules arere..
A kaon is moving in the +x direction decays by this process, where that pi^+ is moving off at a speed of 0.9c in the +x-direction, determine the speed of the kaon before the decay
a severe thunderstorm dumped 2.8 in of rain in 30 min on a town of area 34 km2. what mass of water in kg fell on the
A catcher catches a 145 g baseball traveling horizontally at 38.0 m/s. How large an impulse does the ball give to the catcher
If you take data in paris of x and y related by the equation 5x = cy^4+7. What would you graph to linearize the data. Linearize it and what would the slope and intercept be
If 3.43×10^8 electrons flow through the ground wire to Earth and the ground wire is then removed, what is the net charge on the electroscope.
An alpha particle (the nucleus of a helium atom, with charge +2e and a mass four times that of a proton) and an antiproton (which has the same mass as a proton but charge -e) are released from rest a great distance apart.
While testing speakers for a concert, Tomás sets up two speakers to produce sound waves at the same frequency, What are the possible frequencies of the sound waves coming from the speakers
Two small insulating spheres with radius 5.50×10?2m are separated by a large center-to-center distance of 0.555m, What is the direction of the electric field at this point
If the 320-N force is instead pulling the block at an angle of 20.0° what will be the acceleration of the crate be
An object fired at an angle of 35.0(degrees) above the horizontal takes 1.87s to travel the last 11.4m of its vertical distance, With what velocity was the object launched
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